Any source for this claim? I don't see why a 64-bit OS would use more memory to run a 32-bit app than a 32-bit OS.Gavan wrote:Something to remember about a 64-bit Windows OS is that it uses 1.5 times the amount of memory to run a 32-bit app on a 64-bit platform. (and 90% of software is still 32-bit) This means you will get 2.5 GB worth of 32-bit apps running while using 3.75 gig memory on a 64-bit OS. (So one should have 6 GB of memory installed on a 64-bit machine to get 4 GB of 32-bit apps to run)
This one carefully avoids saying whether they're running 64-bit Office or 32-bit Office on their 64-bit OS. And, of course, 64-bit Office uses more resources than 32-bit Office, because it has to store the 64 bits somewhere.Gavan wrote:And here is one about memory use for 32 bit vs 64 bit office.
http://www.wtstek.com/articles/20070510 ... ervers.htm
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